Electromagnetic lock for cylindrical lock barrel

Details Electromagnetic lock for cylindrical lock barrel Electromagnetic lock for cylindrical lock barrel

1995-04-20

1996-10-08

Boucher, Barnell M.

Locks

Operating mechanism

Using a powered device

70421, 70DIG62, 70277, E05B 4706

Patent

active

055619975

ABSTRACT:
A cylindrical barrel type lock wherein rotation of the barrel is prevented by one or more armatures which are actuated by an electromagnet. Energization of the electromagnet causes the armatures to be withdrawn from engagement with the barrel, thereby permitting its rotation to open the lock.

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patent: 4982587 (1991-01-01), Tzou
patent: 5132661 (1992-07-01), Pinnow

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